11001001100009 has 2 divisors, whose sum is σ = 11001001100010. Its totient is φ = 11001001100008.

The previous prime is 11001001099981. The next prime is 11001001100059. The reversal of 11001001100009 is 90000110010011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7255723386025 + 3745277713984 = 2693645^2 + 1935272^2 .

It is a cyclic number.

It is not a de Polignac number, because 11001001100009 - 2¹⁶ = 11001001034473 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11001001099966 and 11001001100002.

It is not a weakly prime, because it can be changed into another prime (11001001100059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500500550004 + 5500500550005.

It is an arithmetic number, because the mean of its divisors is an integer number (5500500550005).

Almost surely, 2^{11001001100009} is an apocalyptic number.

It is an amenable number.

11001001100009 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001001100009 is an equidigital number, since it uses as much as digits as its factorization.

11001001100009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9, while the sum is 14.

The spelling of 11001001100009 in words is "eleven trillion, one billion, one million, one hundred thousand, nine".